2018 battle of the bay baseballs

every year the oakland a's and the san francsco giants play a ahndful of interleague games, 
known as the battle of the bay series
 
in 2018 i was asked to create a series of baseballs for inclusion in the first battle of the bay art exhibition....the art show was on display at the coliseum in oakland and at the giants park in san francisco during the games